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Advanced Microwave Atmospheric Sounder (AMAS) Channel Specifications and T/V Calibration Results on FY-3C Satellite
He Jieying; Zhang Shengwei; Wang Zhenzhan; He, JY (reprint author), Chinese Acad Sci, Key Lab Microwave Remote Sensing, Ctr Space Sci & Appl Res, Beijing 100190, Peoples R China.
Department微波遥感部
Source PublicationIEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING
2015
Volume53Issue:1Pages:481-493
ISSN0196-2892
Language英语
KeywordAdvanced Microwave Atmospheric Sounder (Amas) Calibration Accuracy Feng Yun Satellite Thermal Vacuum (T/v) Calibration 118.75 Ghz
AbstractThe Advanced Microwave Atmospheric Sounder (AMAS) is the new generation of Microwave Humidity Sounder (MWHS) onboard the Feng Yun 3 C/D (FY-3C/D) satellite and follows the heritage and development of MWHS onboard the FY-3(A/B) satellite. AMAS onboard the FY-3C satellite is a 15-channel total power microwave radiometer in the range of 89-191 GHz scheduled to be launched on September 23, 2013. Compared to MWHS onboard FY-3A/B, AMAS improves channel characteristics by adding eight horizontal polarized channels near 118.75 GHz, which is the first operational polar-orbiting satellite-based sensor to observe the atmosphere in Earth-scanning mode in the 118-GHz oxygen band. Also, AMAS has more channels at 183 GHz than MWHS. This paper analyzes the channel capability and radiometric characteristics of AMAS at 118.75 GHz. Before the launch of FY-3C, the intensive thermal vacuum (T/V) tests for AMAS were carried out in a 2-m T/V chamber, and the basic parameters were obtained, such as the receiver nonlinearity and sensitivity of each channel for AMAS. Furthermore, system nonlinear error correction and bias correction of warm and cold targets are derived after the T/V data analysis and will be used for calibration processing, playing an important role in level 1 and 2 data processing. Accuracies of calibrated channels in AMAS range from 0.48 K to 2.7 K.
Indexed BySCI ; EI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/4577
Collection微波遥感部
Corresponding AuthorHe, JY (reprint author), Chinese Acad Sci, Key Lab Microwave Remote Sensing, Ctr Space Sci & Appl Res, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
He Jieying,Zhang Shengwei,Wang Zhenzhan,et al. Advanced Microwave Atmospheric Sounder (AMAS) Channel Specifications and T/V Calibration Results on FY-3C Satellite[J]. IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING,2015,53(1):481-493.
APA He Jieying,Zhang Shengwei,Wang Zhenzhan,&He, JY .(2015).Advanced Microwave Atmospheric Sounder (AMAS) Channel Specifications and T/V Calibration Results on FY-3C Satellite.IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING,53(1),481-493.
MLA He Jieying,et al."Advanced Microwave Atmospheric Sounder (AMAS) Channel Specifications and T/V Calibration Results on FY-3C Satellite".IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING 53.1(2015):481-493.
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